A solution to a problem that can be written in "closed form" in terms of known functions, constants, etc., is often called an analytic solution. Note that this use of the word is completely different from its use in the terms analytic continuation, analytic function, etc.

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Cite this as:

Weisstein, Eric W. "Analytic." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/Analytic.html

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